This is a rather nifty little kit for teaching children about the basics of robotics. Using cardboard and paper - yes you hear me, along with a couple of paperclips, some PVA glue and some lengths of foil - you can create four robots each of which have very different functions.

One of them is a "Knotbot" which can be programmed to follow a simple course by tieing nots in a length of string. These robots are small, ingenious, and perfectly safe for younger learners. Of course - being paper and card means they will not last, and once they have been built, and the accompanying information thoroughly consumed, it is worth graduating them to Lego for more robot building.

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